Improving teleportation fidelity in structured reservoirs
arXiv:1211.2380 · doi:10.1016/j.optcom.2013.02.044
Abstract
Seeking flexible methods to control quantum teleportation in open systems is an important task of quantum communication. In this paper, we study how the super-Ohmic, Ohmic and sub-Ohmic reservoirs affect teleportation of a general one-qubit state. The results revealed that the structures of the reservoirs play a decisive role on quality of teleportation. Particularly, the fidelity of teleportation may be improved by the strong backaction of the non-Markovian memory effects of the reservoir. The physical mechanism responsible for this improvement are determined.
5 pages, 5 figures, Comments are welcome. arXiv admin note: text overlap with arXiv:1208.1655 by other authors
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